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图文详解PCI/PCIe协议
通过对PCI设备的配置空间中Interrupt Pin配置来决定该PCI设备触发中断时使用的中断线。 PCIe INTx中断触发机制: PCIe不存在INTx中断线,中断信号通过TLP发送给PCIe controller。 配置Endpoing的配置空间,决定其发送中断时使用的INTx; Endpoing发送中断,中断发送通过TLP的 ...
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